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Suppose, in the following tavles, there are two relations: employee_details and log_employee respectively. Create a trigger to add some information into employee_details relation the same data will be inserted into log_ employee table.
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Database Management Systems
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anonymous
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Suppose, there are N number of operations that have to be performed for a transaction. Now describe, in which state the (N-1) operations will be executed and what’s the name of N th operation for that specific transaction.
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How can standards (the 'what') and other information be used to develop a methodology/approach/framework for managing projects (the 'how')? Describe some of this "other information" that can be used to create a methodology.
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Suppose there are three routers between a source host and a destination host. Ignoring fragmentation, an IP datagram sent from the source host to the destination host will travel over how many interfaces?
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Say that a sll instruction is located in memory at address 80000180, and an add instruction is located in memory at address 80000184. After the add instruction executes, what value will be in the PC?
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Suppose the IEEE 802.11 RTS and CTS frames were as long as the standard DATA and ACK frames. Would there be any advantage to using the CTS and RTS frames? Why or why not
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Suppose there are two ISPs providing WiFi access in a particular café, with each ISP operating its own AP and having its own IP address block.
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Some of the most important pieces of data stored in the RAM are the instructions which basically tells the CPU what to do at a particular time. Explain the concept of Instruction Set in the CPU and how it works.
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Computer Architecture
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–1
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1
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Duplicate: Determine the correct class of the following IP addresses: Address Class? 191.107.2.10 172.16.16.15 200.200.5.2 3.3.57.0 131.107.2.89 b) Which address class(es) in above table will allow you to have more than 1000 hosts per network?
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Suppose Bob initiates a TCP connection to Trudy who is pretending to be Alice. During the handshake, Trudy sends Bob Alice’s certificate. In what step of the SSL handshake algorithm will Bob discover that he is not communicating with Alice?
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What is an essential different between RR and WFQ packet scheduling? Is there a case where RR and WFQ will behave exactly the same?
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Computer Networks
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It is argued that understanding peoples existing activities doesn’t help to design future technologies. Which requirements elicitation techniques are most likely to be effective in helping users and designers to create the future?why?
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Computer Aided Design
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anonymous
+2
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1
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Show that the 8-puzzle states are divided into two disjoint sets, such that any state is reachable from any other state in the same set, while no state is reachable from any state in the other set.
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Artificial Intelligence
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Computer Networks
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Computer Networks
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in
Computer Networks
by
anonymous
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0
answers
A network with two nodes let it be A and B. Node A wants to send data 111001010 to node B using Hamming error detection technique. Find the code word generated by node A.
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Computer Networks
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+1
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1
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Computer Networks
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Software Engineering
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1
answer
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Computer Networks
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Software Engineering
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Computer Networks
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1
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1
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Maths & Statistics
by
anonymous
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1
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Computer Networks
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1
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Software Engineering
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anonymous
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1
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Computer Networks
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(user.guest)
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answer
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in
Compilers & Operating Systems
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anonymous
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1
answer
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in
Computer Architecture
by
anonymous
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1
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Consider the count-to-infinity problem in the distance vector routing. Will the count-to-infinity problem occur if we decrease the cost of a link? Why? How about if we connect two nodes which do not have a link?
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Computer Networks
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Consider you have 10 data packet from 0 to 9. In Go-back-N and Selective repeat both have window size of 5. While transferring packet, ACK2 is lost. What will happened then? Show the scenario with proper figure.
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Computer Networks
by
anonymous
+1
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1
answer
A bag contains fifteen balls distinguishable only by their colours; ten are blue and five are red. I reach into the bag with both hands and pull out two balls (one with each hand) and record their colours.
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Maths & Statistics
by
(user.guest)
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1
answer
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in
Artificial Intelligence
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anonymous
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1
answer
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in
Software Engineering
by
anonymous
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votes
1
answer
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asked
in
Software Engineering
by
anonymous
–1
vote
1
answer
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Software Engineering
by
anonymous
+2
votes
1
answer
Suggest three defensive layers that might be included in an information system to protect data items from changes by someone who is not authorized to make these changes.
asked
in
Software Engineering
by
anonymous
0
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0
answers
Prove that if the number of Transistors is doubled, the increase in the performance of the processor will be in the region of 40% and discuss the relevance of this mathematical observation to multi-processor computing architecture design.
asked
in
Computer Architecture
by
anonymous
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1
answer
What are some Emerging Data Models in Database Management
asked
in
Database Management Systems
by
anonymous
0
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1
answer
Besides network-related considerations such as delay, loss, and bandwidth performance, there are other important factors that go into designing a CDN server selection strategy. What are they?
asked
in
Computer Networks
by
(user.guest)
0
votes
1
answer
Suppose that N switches supporting K VLAN groups are to be connected via a trunking protocol. How many ports are needed to connect the switches? Justify your answer.
asked
in
Computer Networks
by
(user.guest)
+1
vote
1
answer
Discuss the type and the concept of data independence and explain its importance in a database environment.
asked
in
Database Management Systems
by
anonymous
0
votes
0
answers
For laminar flow in a tube with a constant wall heat flux, it can be shown that the microscopic energy equation can be reduced to the following form where qy is the heat flux in the y direction
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in
Maths & Statistics
by
(user.guest)
0
votes
1
answer
Suppose an analog audio signal is sampled 16,000 times per second, and each sample is quantized into one of 1024 levels. What would be the resulting bit rate of the PCM digital audio signal?
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in
Computer Networks
by
(user.guest)
0
votes
1
answer
Consider the following network. With the indicated link costs, use Dijkstra’s shortest-path algorithm to compute the shortest path from x to all network nodes. Show how the algorithm works by computing a table similar to Table 4.3.
asked
in
Computer Networks
by
(user.guest)
+1
vote
0
answers
How can a file system can be organised into a free structure and explain two advantages of such an arrangement
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in
Compilers & Operating Systems
by
anonymous
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